What more can I say? A meal will cost around $3 and the food ain't bad. Real simple like, but tasty. To get there from Parque Central by the big Church... walk down the pedestrian street that is on the Western end of the Park, opposite the church - take it till it ends by the Post Office (Correo Nacional), make a left... then on the next street make a right... and It'll be on the left side of the road. It's the only vegetarian restaurant I've heard of or come across in the whole city. If ever I'm in Centro around lunch time again I'll definitely hit them up.
Cons: May be hard to find, Only open for lunch